18.27% is the change from 531 to 628
Calculation steps:
[( 628 - 531 ) ÷ 531] x 100 = 18.27%
Formula
Percentage change = [(628 - 531) / 531] x 100
Subtract the new number by the original number
628 - 531 = 97
97 ÷ 531 = 0.18267419962335216
0.18267419962335216 x 100 = 18.27%